mirror of
https://github.com/shadowfacts/lwjgl2-arm64.git
synced 2026-04-05 06:25:46 +00:00
Native cursors implemented
This commit is contained in:
Elias Naur
parent
fd75f7a959
commit
e886d95122
20 changed files with 1351 additions and 238 deletions
91
src/java/org/lwjgl/input/Cursor.java
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91
src/java/org/lwjgl/input/Cursor.java
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@ -0,0 +1,91 @@
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/*
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* Copyright (c) 2002 Lightweight Java Game Library Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'Light Weight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.input;
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/**
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* $Id$
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*
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* A class representing a native cursor. Instances of this
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* class can be used with Mouse.setCursor(), if available.
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*
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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @version $Revision$
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*/
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public class Cursor {
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/**
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* The native handle to the cursor
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*/
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private final int nativeHandle;
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/**
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* Constructs a new Cursor, with the given parameters. Mouse must have been created before you can create
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* Cursor objects. Cursor images are in ARGB format, but only one bit transparancy is guaranteed to be supported.
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* So to maximize portability, lwjgl applications should only create cursor images with 0x00 or 0xff as alpha values.
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*
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* @param width cursor image width
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* @param height cursor image height
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* @param xHotspot the x coordinate of the cursor hotspot
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* @param yHotspot the y coordinate of the cursor hotspot
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* @param cursorAddress the address of an int array containing the cursor image
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* @throws Exception if the cursor could not be created for any reason
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*/
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public Cursor(int width, int height, int xHotspot, int yHotspot, int imageAddress) throws Exception {
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assert Mouse.isCreated();
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nativeHandle = nCreateCursor(width, height, xHotspot, yHotspot, imageAddress);
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}
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/**
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* Destroy the native cursor. Cursor must not be current.
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*/
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public void destroy() {
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nDestroyCursor(nativeHandle);
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}
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/**
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* Gets the native handle associated with the cursor object.
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*/
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public int getHandle() {
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return nativeHandle;
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}
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/**
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* Native method to create a native cursor
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*/
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private static native int nCreateCursor(int width, int height, int xHotspot, int yHotspot, int imageAddresses);
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/**
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* Native method to destroy a native cursor
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*/
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private static native void nDestroyCursor(int handle);
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}
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@ -70,6 +70,9 @@ public class Mouse {
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/** Does this mouse support a scroll wheel */
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public static boolean hasWheel = false;
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/** The current native cursor, if any */
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private static Cursor currentCursor;
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static {
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initialize();
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}
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@ -80,6 +83,83 @@ public class Mouse {
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private Mouse() {
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}
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/**
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* Gets the currently bound native cursor, if any.
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*
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* @return the currently bound native cursor, if any.
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public Cursor getNativeCursor() {
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return currentCursor;
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}
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/**
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* Check native cursor support
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* @return true if native cursors are supported
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*/
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public static boolean isNativeCursorSupported() {
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return nIsNativeCursorSupported();
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}
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/**
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* Native function to determine native cursor support
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*/
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private static native boolean nIsNativeCursorSupported();
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/**
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* Binds a native cursor. If the cursor argument is null, the
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* native cursor is disabled, as if native cursors were not supported.
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* The Mouse must be created before a native cursor can be bound.
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*
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* NOTE: The native cursor is not constrained to the window, but
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* relative events will not be generated if the cursor is outside.
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* The initial position of the cursor is in the upper left corner of
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* the window, and the cursor will be moved to this origin when a
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* native cursor is set and the previous cursor is null.
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*
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* @param cursor the native cursor object to bind. May be null.
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* @return The previous Cursor object set, or null.
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* @throws Exception if the cursor could not be set for any reason
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*/
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public static Cursor setNativeCursor(Cursor cursor) throws Exception {
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assert created && isNativeCursorSupported();
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Cursor oldCursor = currentCursor;
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currentCursor = cursor;
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if (currentCursor != null) {
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nSetNativeCursor(currentCursor.getHandle());
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} else {
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nSetNativeCursor(Sys.NULL);
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}
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return oldCursor;
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}
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/** Native method to set the native cursor */
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private static native void nSetNativeCursor(int handle);
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/**
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* Gets the minimum size of a native cursor. Can only be called if
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* The Mouse is created and isNativeCursorSupported() returns true
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*
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* @return the maximum size of a native cursor
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*/
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public static int getMinCursorSize() {
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return nGetMinCursorSize();
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}
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/** Native method returning the minimum cursor size */
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private static native int nGetMinCursorSize();
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/**
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* Gets the maximum size of a native cursor. Can only be called if
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* The Mouse is created and isNativeCursorSupported() returns true
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*
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* @return the maximum size of a native cursor
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*/
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public static int getMaxCursorSize() {
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return nGetMaxCursorSize();
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}
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/** Native method returning the maximum cursor size */
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private static native int nGetMaxCursorSize();
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/**
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* Static initialization
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*/
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@ -104,13 +184,14 @@ public class Mouse {
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if (!nCreate())
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throw new Exception("The mouse could not be created.");
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created = true;
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currentCursor = null;
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//set mouse buttons
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buttons = new boolean[buttonCount];
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}
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/**
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* Native method to create the mouse
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* Native method to create the mouse.
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*
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* @return true if the mouse was created
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*/
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@ -124,13 +205,16 @@ public class Mouse {
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}
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/**
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* "Destroy" the mouse
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* "Destroy" the mouse. Remember to reset the native cursor if
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* setNativeCursor() has been called with anything else than null.
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*/
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public static void destroy() {
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assert currentCursor == null;
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if (!created)
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return;
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created = false;
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buttons = null;
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currentCursor = null;
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nDestroy();
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}
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@ -163,4 +247,4 @@ public class Mouse {
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assert created : "The mouse has not been created.";
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return buttons[button];
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}
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}
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}
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361
src/java/org/lwjgl/test/input/HWCursorTest.java
Normal file
361
src/java/org/lwjgl/test/input/HWCursorTest.java
Normal file
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@ -0,0 +1,361 @@
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/*
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* Copyright (c) 2003 Lightweight Java Game Library Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
|
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'Lightweight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
|
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.test.input;
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import org.lwjgl.*;
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import org.lwjgl.input.*;
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import org.lwjgl.opengl.*;
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import org.lwjgl.vector.Vector2f;
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import java.nio.*;
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/**
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* $Id$
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*
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* Tests switching between windowed and fullscreen - including hardware cursor test
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*
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* @author Brian Matzon <brian@matzon.dk>
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* @version $Revision$
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*/
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public class HWCursorTest {
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/** Intended deiplay mode */
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private DisplayMode mode;
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/** GL instance */
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private GL gl;
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/** GLU instance */
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private GLU glu;
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/** The native cursor */
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private static Cursor cursor = null;
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/** The mouse cursor position */
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private static int mouse_x;
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private static int mouse_y;
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/**
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* Executes the test
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*/
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public void execute() {
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initialize();
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mainLoop();
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cleanup();
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}
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/**
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* Initializes the test
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*/
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private void initialize() {
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try {
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//find displaymode
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mode = findDisplayMode(800, 600, 16);
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// start of in windowed mode
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gl = new GL("Test", 50, 50, mode.width, mode.height, mode.bpp, 0, 0, 0);
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gl.create();
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glu = new GLU(gl);
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glInit();
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Keyboard.create();
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initNativeCursor();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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private static void initNativeCursor() {
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try {
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Mouse.create();
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} catch (Exception e) {
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e.printStackTrace();
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}
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if (!Mouse.isNativeCursorSupported()) {
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System.out.println("No HW cursor support!");
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System.exit(0);
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}
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System.out.println("Maximum native cursor size: " + Mouse.getMaxCursorSize() + ", min size: " + Mouse.getMinCursorSize());
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mouse_x = mouse_y = 0;
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// int num_images = 3;
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int image_size = Mouse.getMaxCursorSize()*Mouse.getMaxCursorSize();
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IntBuffer cursor_images = ByteBuffer.allocateDirect(/*num_images**/image_size*4).order(ByteOrder.nativeOrder()).asIntBuffer();
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/* IntBuffer delays = ByteBuffer.allocateDirect(num_images*4).order(ByteOrder.nativeOrder()).asIntBuffer();
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delays.put(0, 500);
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delays.put(1, 500);
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delays.put(2, 500);*/
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int color_scale = 255/Mouse.getMaxCursorSize();
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int bit_mask = 0x81000000;
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for (int j = 0; j < image_size; j++) {
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if (j % 4 == 0)
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bit_mask = (~bit_mask) & 0x81000000;
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int color = (j*color_scale/Mouse.getMaxCursorSize()) << 16;
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cursor_images.put(0*image_size + j, 0x00000020 | color | bit_mask);
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}
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/* for (int j = 0; j < image_size; j++) {
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int color = (j*color_scale/Mouse.getMaxCursorSize()) << 8;
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cursor_images.put(1*image_size + j, 0x80000000 | color);
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}
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for (int j = 0; j < image_size; j++) {
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int color = j*color_scale/Mouse.getMaxCursorSize();
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cursor_images.put(2*image_size + j, 0x80000000 | color);
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}*/
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try {
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cursor = new Cursor(Mouse.getMaxCursorSize(), Mouse.getMaxCursorSize(), Mouse.getMaxCursorSize()/2, Mouse.getMaxCursorSize()/2/*, num_images*/, Sys.getDirectBufferAddress(cursor_images)/*, Sys.getDirectBufferAddress(delays)*/);
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Mouse.setNativeCursor(cursor);
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} catch (Exception e) {
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e.printStackTrace();
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System.exit(1);
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}
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}
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/**
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* Runs the main loop of the "test"
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*/
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private void mainLoop() {
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while (!Keyboard.isKeyDown(Keyboard.KEY_ESCAPE)
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&& !gl.isCloseRequested()) {
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// allow subsystem to get a chance to run too
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gl.tick();
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if (!gl.isMinimized()) {
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// check keyboard input
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processKeyboard();
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render();
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// paint window
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gl.paint();
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} else {
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// no need to render/paint if nothing has changed (ie. window dragged over)
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if (gl.isDirty()) {
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render();
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gl.paint();
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}
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// don't waste cpu time, sleep more
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try {
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Thread.sleep(100);
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} catch (InterruptedException inte) {
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}
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}
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}
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}
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/**
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* Performs the logic
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*/
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private void render() {
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//clear background
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gl.clear(GL.COLOR_BUFFER_BIT);
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// draw white quad
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gl.pushMatrix();
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{
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gl.translatef(mouse_x, 600 - mouse_y, 0);
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gl.color3f(1.0f, 1.0f, 1.0f);
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gl.begin(GL.QUADS);
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{
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gl.vertex2i(-50, -50);
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gl.vertex2i(50, -50);
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gl.vertex2i(50, 50);
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gl.vertex2i(-50, 50);
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}
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gl.end();
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}
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gl.popMatrix();
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}
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/**
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* Processes keyboard input
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*/
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private void processKeyboard() {
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Keyboard.poll();
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Mouse.poll();
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if (Mouse.dx != 0 || Mouse.dy != 0) {
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mouse_x += Mouse.dx;
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mouse_y += Mouse.dy;
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System.out.println("mouse_x " + mouse_x + " mouse_y " + mouse_y);
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}
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//check for fullscreen key
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if (Keyboard.isKeyDown(Keyboard.KEY_F)) {
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try {
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Keyboard.destroy();
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try {
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Mouse.setNativeCursor(null);
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} catch (Exception e) {
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e.printStackTrace();
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System.exit(1);
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}
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cursor.destroy();
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Mouse.destroy();
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gl.destroy();
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Display.setDisplayMode(mode);
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gl = new GL("Test", mode.bpp, 0, 0, 0);
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gl.create();
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glu = new GLU(gl);
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glInit();
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Keyboard.create();
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initNativeCursor();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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//check for window key
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if (Keyboard.isKeyDown(Keyboard.KEY_W)) {
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try {
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Keyboard.destroy();
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try {
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Mouse.setNativeCursor(null);
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} catch (Exception e) {
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e.printStackTrace();
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System.exit(1);
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}
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cursor.destroy();
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Mouse.destroy();
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gl.destroy();
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Display.resetDisplayMode();
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gl = new GL("Test", 50, 50, mode.width, mode.height, mode.bpp, 0, 0, 0);
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gl.create();
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glu = new GLU(gl);
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glInit();
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Keyboard.create();
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initNativeCursor();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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if (Keyboard.isKeyDown(Keyboard.KEY_M)) {
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try {
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Mouse.setNativeCursor(null);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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if (Keyboard.isKeyDown(Keyboard.KEY_N)) {
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try {
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Mouse.setNativeCursor(cursor);
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mouse_x = mouse_y = 0;
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} catch (Exception e) {
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e.printStackTrace();
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}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Cleans up the test
|
||||
*/
|
||||
private void cleanup() {
|
||||
Keyboard.destroy();
|
||||
try {
|
||||
Mouse.setNativeCursor(null);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
System.exit(1);
|
||||
}
|
||||
cursor.destroy();
|
||||
Mouse.destroy();
|
||||
Display.resetDisplayMode();
|
||||
gl.destroy();
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieves a displaymode, if one such is available
|
||||
*
|
||||
* @param width Required width
|
||||
* @param height Required height
|
||||
* @param bpp Minimum required bits per pixel
|
||||
* @return
|
||||
*/
|
||||
private DisplayMode findDisplayMode(int width, int height, int bpp) {
|
||||
DisplayMode[] modes = Display.getAvailableDisplayModes();
|
||||
for (int i = 0; i < modes.length; i++) {
|
||||
if (modes[i].width == width
|
||||
&& modes[i].height == height
|
||||
&& modes[i].bpp >= bpp) {
|
||||
return modes[i];
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Initializes OGL
|
||||
*/
|
||||
private void glInit() {
|
||||
// Go into orthographic projection mode.
|
||||
gl.determineAvailableExtensions();
|
||||
gl.matrixMode(GL.PROJECTION);
|
||||
gl.loadIdentity();
|
||||
glu.ortho2D(0, mode.width, 0, mode.height);
|
||||
gl.matrixMode(GL.MODELVIEW);
|
||||
gl.loadIdentity();
|
||||
gl.viewport(0, 0, mode.width, mode.height);
|
||||
|
||||
//set clear color to black
|
||||
gl.clearColor(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
|
||||
//sync frame (only works on windows)
|
||||
if (GL.WGL_EXT_swap_control) {
|
||||
GL.wglSwapIntervalEXT(1);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Test entry point
|
||||
*/
|
||||
public static void main(String[] args) {
|
||||
System.out.println(
|
||||
"Change between fullscreen and windowed mode, by pressing F and W respectively. Enable hw cursor with N and disable it with M.");
|
||||
System.out.println(
|
||||
"Move quad using arrowkeys, and change rotation using +/-");
|
||||
HWCursorTest cursorTest = new HWCursorTest();
|
||||
cursorTest.execute();
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue